@GwtCompatible(serializable = true)
@ElementTypesAreNonnullByDefault
final class JdkBackedImmutableSet<E> extends IndexedImmutableSet<E> {
  private final Set<?> delegate;
  private final ImmutableList<E> delegateList;

  JdkBackedImmutableSet(Set<?> delegate, ImmutableList<E> delegateList) {
    this.delegate = delegate;
    this.delegateList = delegateList;
  }

  @Override
  E get(int index) {
    return delegateList.get(index);
  }

      return Iterators.transform(entries, UnmodifiableEntry::new);
    }

    private UnmodifiableEntry(Entry<K, V> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    protected Entry<K, V> delegate() {
      return delegate;
    }

    @Override
    @ParametricNullness
    public V setValue(@ParametricNullness V value) {

  public static final class NavigableSetSubsetTestSetGenerator<E>
      extends SortedSetSubsetTestSetGenerator<E> {
    public NavigableSetSubsetTestSetGenerator(
        TestSortedSetGenerator<E> delegate, Bound to, Bound from) {
      super(delegate, to, from);
    }

    @Override
    NavigableSet<E> createSubSet(SortedSet<E> sortedSet, E firstExclusive, E lastExclusive) {
      NavigableSet<E> set = (NavigableSet<E>) sortedSet;

  @Override
  protected abstract Queue<E> delegate();

  @CanIgnoreReturnValue // TODO(cpovirk): Consider removing this?
  @Override
  public boolean offer(@ParametricNullness E o) {
    return delegate().offer(o);
  }

  @CanIgnoreReturnValue // TODO(cpovirk): Consider removing this?
  @Override
  @CheckForNull
  public E poll() {
    return delegate().poll();
  }

  @CanIgnoreReturnValue
  @Override

@Deprecated
public class MavenXpp3Reader {
    private MavenStaxReader delegate;

    public MavenXpp3Reader() {
        this(null, false);
    }

    public MavenXpp3Reader(ContentTransformer contentTransformer) {
        this(contentTransformer, false);
    }

    protected MavenXpp3Reader(ContentTransformer contentTransformer, boolean addLocationInformation) {
        delegate =

 */
open class DelegatingSocketFactory(private val delegate: SocketFactory) : SocketFactory() {
  @Throws(IOException::class)
  override fun createSocket(): Socket {
    val socket = delegate.createSocket()
    return configureSocket(socket)
  }

  @Throws(IOException::class)
  override fun createSocket(
    host: String,
    port: Int,
  ): Socket {
    val socket = delegate.createSocket(host, port)

  @Override
  protected abstract SortedMap<K, V> delegate();

  @Override
  @CheckForNull
  public Comparator<? super K> comparator() {
    return delegate().comparator();
  }

  @Override
  @ParametricNullness
  public K firstKey() {
    return delegate().firstKey();
  }

  @Override
  public SortedMap<K, V> headMap(@ParametricNullness K toKey) {
    return delegate().headMap(toKey);
  }

  @Override

  protected ForwardingMapEntry() {}

  @Override
  protected abstract Entry<K, V> delegate();

  @Override
  @ParametricNullness
  public K getKey() {
    return delegate().getKey();
  }

  @Override
  @ParametricNullness
  public V getValue() {
    return delegate().getValue();
  }

  @Override
  @ParametricNullness
  @CanIgnoreReturnValue

  /**
   * Returns the backing delegate instance that methods are forwarded to. Abstract subclasses
   * generally override this method with an abstract method that has a more specific return type,
   * such as {@link ForwardingSet#delegate}. Concrete subclasses override this method to supply the
   * instance being decorated.
   */
  protected abstract Object delegate();

    private final MetadataStaxWriter delegate;

    /**
     * Default constructor
     */
    public MetadataXpp3Writer() {
        delegate = new MetadataStaxWriter();
    }

    /**
     * Method setFileComment.
     *
     * @param fileComment a fileComment object.
     */
    public void setFileComment(String fileComment) {
        delegate.setFileComment(fileComment);
    }

    /**